Comparable stake leader
Janus Henderson Group Ltd.
SEC ownership of Camp4 Therapeutics Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001736730.
Disclosed value leader
Janus Henderson Group Ltd.
Comparable rows
50/50
Latest evidence
03 Aug 2026
- Public ticker
- CAMP on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Janus Henderson Group Ltd.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Janus Henderson Group Ltd.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
03 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001736730
- Issuer location
- Cambridge, MA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Camp4 Therapeutics Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Janus Henderson Group Ltd.
Disclosed value leader
Janus Henderson Group Ltd.
Comparable rows
50/50
Latest evidence
03 Aug 2026
13D/G
13F
3/4/5
Lead comparable stake: 12%
13D/G row: Janus Henderson Group Ltd.
Showing 1-8 of 50 holder rows.
Quick read
Janus Henderson Group Ltd. leads the comparable SEC ownership view at 12%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Janus Henderson Group Ltd.'s linked filing trail.
Comparable ownership
Top 5
Janus Henderson Group Ltd.
12%
Coastlands Capital LP
10%
5AM Ventures VI, L.P.
9.9%
FMR LLC
9.5%
Polaris Management Co. VII, L.L.C.
8.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Janus Henderson Group Ltd. |
13D/G
13F
JANUS HENDERSON GROUP PLC · Company
|
12%
|
$37,908,892
6,307,636 shares
|
$0 | 31 Dec 2025 |
| Coastlands Capital LP |
13D/G
|
10%
|
$21,452,710
4,886,722 shares
|
$0 | 10 Sep 2025 |
| 5AM Ventures VI, L.P. |
13D/G
3/4/5
Andrew J. Schwab · 10%+ Owner
|
9.9%
|
$28,410,453
6,313,434 shares
|
+$1,999,544 | 03 Aug 2026 |
| FMR LLC |
13D/G
13F
Company
|
9.5%
|
$28,968,451
4,918,243 shares
|
+$10,440,496 | 31 Dec 2025 |
| Polaris Management Co. VII, L.L.C. |
13D/G
3/4/5
Amir Nashat · 10%+ Owner
|
8.4%
|
$5,623,119
3,932,251 shares
|
$0 | 09 Sep 2025 |
| Vivo Opportunity Fund Holdings, L.P. |
13D/G
|
7.4%
|
$23,373,365
3,856,991 shares
|
+$1,788,900 | 31 Dec 2025 |
| BALYASNY ASSET MANAGEMENT L.P. |
13D/G
13F
Company
|
5.1%
|
$11,819,642
2,632,437 shares
|
$0 | 31 Mar 2026 |
| Enavate Sciences GP, LLC |
13D/G
3/4/5
13F
10%+ Owner · Company
|
4.8%
|
$10,955,517
2,495,562 shares
|
-$2,773,593 | 09 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$42,665,285.
Buys
$42,665,285
Insiders: 13
Sells
$0
Insiders: 0
Net
+$42,665,285
Shares: +27,881,822
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 27,881,822
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 22,292,937 | 0 | $34,110,292 | $0 | +$34,110,292 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 5,588,885 | 0 | $8,554,994 | $0 | +$8,554,994 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 29 reporting-owner rows connected to Camp4 Therapeutics Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
29
Largest Forms 3/4/5 holder
5AM Partners VI, LLC
Net 12M change
+$42,665,286
Latest report
03 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| 5AM Partners VI, LLC | 10%+ Owner | $13,551,322 | +$9,364,405 | +224% | Mixed | 03 Aug 2026 |
| Andrew J. Schwab | Director | $8,686,917 | Mixed | 03 Aug 2026 | ||
| 5AM Opportunities II, L.P. | 10%+ Owner | $4,864,405 | +$4,864,406 | +100% | Filing P/S | 03 Aug 2026 |
| Kush Parmar | 10%+ Owner | $4,864,405 | +$4,864,406 | +100% | Filing P/S | 03 Aug 2026 |
| 5AM Opportunities II (GP), LLC | 10%+ Owner | $4,864,405 | +$4,864,406 | +100% | Filing P/S | 03 Aug 2026 |
| 5AM Ventures VI, L.P. | 10%+ Owner | $4,864,405 | +$4,864,406 | +100% | Filing P/S | 03 Aug 2026 |
| 5AM Ventures VII, L.P. | 10%+ Owner | $4,864,405 | +$4,864,406 | +100% | Filing P/S | 03 Aug 2026 |
| 5AM Partners VII, LLC | 10%+ Owner | $4,864,405 | +$4,864,406 | +100% | Filing P/S | 03 Aug 2026 |
| Josh Mandel-Brehm | Chief Executive Officer, Director | $470,197 | +$20,808 | +4.6% | Filing P/S | 03 Aug 2026 |
| Richard A. Young | Director | $307,540 | +$52,023 | +20% | Filing P/S | 03 Aug 2026 |
| Amir Nashat | Director, 10%+ Owner | $302,421 | +$1,999,999 | +661% | Filing P/S | 10 Jun 2026 |
| Polaris Management Co. VII, L.L.C. | 10%+ Owner | $302,421 | +$1,999,999 | +661% | Filing P/S | 11 Sep 2025 |
| Kelly Gold | Chief Financial Officer | $122,806 | +$20,808 | +20% | Filing P/S | 03 Aug 2026 |
| Yuri Maricich | Chief Medical Officer | $20,808 | +$20,808 | +100% | Filing P/S | 03 Aug 2026 |
| Michael F. MacLean | Director | Mixed | 01 Apr 2026 | |||
| Douglas E. Williams | Director | Mixed | 10 Jun 2026 | |||
| James P. Boylan | Director | Mixed | 25 Jun 2025 | |||
| Ravi I. Thadhani | Director | Mixed | 25 Jun 2025 | |||
| Paula Ragan | Director | Mixed | 25 Jun 2025 | |||
| Michael J. Higgins | Director | Mixed | 25 Jun 2025 |
Recent insider transactions for Camp4 Therapeutics Corp
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| 5AM Partners VI, LLC | CAMP | Pre-Funded Warrant (Right to Buy) | Purchase | $4,864,406 | $1.53 | 3,179,558 | 3,179,558 | 03 Aug 2026 | By 5AM Ventures VII, L.P. | |
| 5AM Partners VI, LLC | CAMP | Pre-Funded Warrant (Right to Buy) | Purchase | $4,864,406 | $1.53 | 3,179,558 | 3,179,558 | 03 Aug 2026 | By 5AM Ventures VII, L.P. | |
| 5AM Partners VI, LLC | CAMP | Pre-Funded Warrant (Right to Buy) | Purchase | $4,864,406 | $1.53 | 3,179,558 | 3,179,558 | 03 Aug 2026 | By 5AM Ventures VII, L.P. | |
| 5AM Partners VI, LLC | CAMP | Pre-Funded Warrant (Right to Buy) | Purchase | $4,864,406 | $1.53 | 3,179,558 | 3,179,558 | 03 Aug 2026 | By 5AM Ventures VII, L.P. | |
| 5AM Partners VI, LLC | CAMP | Pre-Funded Warrant (Right to Buy) | Purchase | $4,864,406 | $1.53 | 3,179,558 | 3,179,558 | 03 Aug 2026 | By 5AM Ventures VII, L.P. | |
| 5AM Partners VI, LLC | CAMP | Pre-Funded Warrant (Right to Buy) | Purchase | $4,864,406 | $1.53 | 3,179,558 | 3,179,558 | 03 Aug 2026 | By 5AM Ventures VII, L.P. | |
| 5AM Partners VI, LLC | CAMP | Pre-Funded Warrant (Right to Buy) | Purchase | $4,864,406 | $1.53 | 3,179,558 | 3,179,558 | 03 Aug 2026 | By 5AM Ventures VII, L.P. | |
| Andrew J. Schwab | CAMP | Pre-Funded Warrant (Right to Buy) | Award | 3,179,558 | 3,179,558 | 03 Aug 2026 | By 5AM Ventures VII, L.P. | |||
| Richard A. Young | CAMP | Common Stock | Purchase | 9.63% | $27,024 | $1.65 | 16,378 | 186,388 | 03 Aug 2026 | Direct |
| Yuri Maricich | CAMP | Common Stock | Purchase | 108.1% | $10,809 | $1.65 | 6,551 | 12,611 | 03 Aug 2026 | Direct |
| Kelly Gold | CAMP | Common Stock | Purchase | 9.65% | $10,809 | $1.65 | 6,551 | 74,428 | 03 Aug 2026 | Direct |
| Josh Mandel-Brehm | CAMP | Common Stock | Purchase | 2.35% | $10,809 | $1.65 | 6,551 | 284,968 | 03 Aug 2026 | Direct |
| Douglas E. Williams | CAMP | Stock Option (Right to Buy) | Award | 28,000 | 28,000 | 10 Jun 2026 | Direct | |||
| Richard A. Young | CAMP | Stock Option (Right to Buy) | Award | 28,000 | 28,000 | 10 Jun 2026 | Direct | |||
| Andrew J. Schwab | CAMP | Stock Option (Right to Buy) | Award | 28,000 | 28,000 | 10 Jun 2026 | Direct | |||
| Steven H. Holtzman | CAMP | Stock Option (Right to Buy) | Award | 28,000 | 28,000 | 10 Jun 2026 | Direct | |||
| Murray Stewart | CAMP | Stock Option (Right to Buy) | Award | 28,000 | 28,000 | 10 Jun 2026 | Direct | |||
| Amir Nashat | CAMP | Stock Option (Right to Buy) | Award | 28,000 | 28,000 | 10 Jun 2026 | Direct | |||
| Daniel Tardiff | CAMP | Stock Option (Right to Buy) | Award | 170,000 | 170,000 | 01 Apr 2026 | Direct | |||
| Yuri Maricich | CAMP | Stock Option (Right to Buy) | Award | 215,000 | 215,000 | 01 Apr 2026 | Direct | |||
| Kelly Gold | CAMP | Stock Option (Right to Buy) | Award | 215,000 | 215,000 | 01 Apr 2026 | Direct | |||
| Josh Mandel-Brehm | CAMP | Stock Option (Right to Buy) | Award | 580,000 | 580,000 | 01 Apr 2026 | Direct | |||
| Michael F. MacLean | CAMP | Stock Option (Right to Buy) | Award | 56,000 | 56,000 | 01 Apr 2026 | Direct | |||
| Daniel Tardiff | CAMP | Stock Option (Right to Buy) | Award | 145,500 | 145,500 | 11 Dec 2025 | Direct | |||
| Yuri Maricich | CAMP | Stock Option (Right to Buy) | Award | 190,000 | 190,000 | 11 Dec 2025 | Direct | |||
| Kelly Gold | CAMP | Stock Option (Right to Buy) | Award | 190,000 | 190,000 | 11 Dec 2025 | Direct | |||
| Josh Mandel-Brehm | CAMP | Stock Option (Right to Buy) | Award | 425,000 | 425,000 | 11 Dec 2025 | Direct | |||
| Andrew J. Schwab | CAMP | Common Stock | Award | 2,941,176 | 2,941,176 | 11 Sep 2025 | By 5AM Ventures VII, L.P. | |||
| 5AM Partners VI, LLC | CAMP | Common Stock | Purchase | $4,499,999 | $1.53 | 2,941,176 | 2,941,176 | 11 Sep 2025 | By 5AM Ventures VII, L.P. | |
| Polaris Management Co. VII, L.L.C. | CAMP | Common Stock | Purchase | 86.1% | $1,999,999 | $1.53 | 1,307,189 | 2,825,500 | 11 Sep 2025 | See footnote |
| Amir Nashat | CAMP | Common Stock | Purchase | 86.1% | $1,999,999 | $1.53 | 1,307,189 | 2,825,500 | 11 Sep 2025 | See Footnote |
| Yuri Maricich | CAMP | Common Stock | Purchase | $9,999 | $1.65 | 6,060 | 6,060 | 11 Sep 2025 | Direct | |
| Kelly Gold | CAMP | Common Stock | Purchase | 9.8% | $9,999 | $1.65 | 6,060 | 67,877 | 11 Sep 2025 | Direct |
| Josh Mandel-Brehm | CAMP | Common Stock | Purchase | 2.23% | $9,999 | $1.65 | 6,060 | 278,417 | 11 Sep 2025 | Direct |
| Richard A. Young | CAMP | Common Stock | Purchase | 9.78% | $24,999 | $1.65 | 15,151 | 170,010 | 11 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.